REPAIR AND MAINTENACE OF SEWAGE TREATEMENT PLANT AND CLEANING OF OPEN CHAMBERS UNDER GROUND SUMPS AND REAPIR OF MOTORS AND ACCESSORIES AT STP RASPUNJA MIL CAMP

Amount

Excavation in trenches not exc. 1.5 Metre wide and not exc. 1.50 Metre in depth for foundation etc. or for shafts, wells, cess pits, manholes, pier holes etc. not exc. 10 Sqm on plan and not exc. 1.50 Metre in depth and getting out as in Soft/Loose Soil, complete all as specified and as directed.

Excavation in trenches not exc. 1.5 Metre wide and not exc. 1.50 Metre in depth for foundation etc. or for shafts, wells, cess pits, manholes, pier holes etc. not exc. 10 Sqm on plan and not exc. 1.50 Metre in depth and getting out as in Hard/Dense Soil, complete all as specified and as directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 25 Cm as in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Material (Soil) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed.

Taking up / down the following size of water mains and connections/fittings of any type from trenches/ walls / floors (of any location) for replacement / re-use in old / new location/diversion by burning out/removing of lead joint/tyton joint/rubber gasket joint all as specified and directed by the Engr-in-Charge. Note: Necessary earthwork, if any , will be measured and paid separately under relevant items (a) Bore size 150 mm

Bore size 100 mm

Bore size 80 mm

Bore size 50 mm

Bore size 40 mm

Bore size 25 mm

Bore size 20 mm

Supply and Laying Steel Water Tubing 80mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 25mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 20mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 80mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 25mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Supply and Laying Steel Water Tubing 20mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 20mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 25mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 40mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing 50mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush including Provision of New GI Fittings (as ordered), complete all as specified and as directed.

Supply, laying and testing 80 mm bore CI water mains with spigot and socket ends,centrifugally cast of class 'LA' in any length, laid in trenches complete all as specified and directed . Note : Necessary earth-work to be measured and paid separately under relevant items.

Supply, laying and testing 100 mm bore CI water mains with spigot and socket ends,centrifugally cast of class 'LA' in any length, laid in trenches complete all as specified and directed . Note : Necessary earth-work to be measured and paid separately under relevant items.

Supply, laying and testing 150 mm bore CI water mains with spigot and socket ends,centrifugally cast of class 'LA' in any length, laid in trenches complete all as specified and directed . Note : Necessary earth-work to be measured and paid separately under relevant items.

Supply, laying, connecting and testing of ductile iron pipe 150 DN with spigot and socket ends class K-9 in standard working length conforming to IS-8329-2000 laid in trenches as in repair complete all as specified and directed.

Supply, laying, connecting and testing of ductile iron pipe 100 DN with spigot and socket ends class K-9 in standard working length conforming to IS-8329-2000 laid in trenches as in repair complete all as specified and directed.

M&L Run lead joint for CI / DI pipe 150 mm bore including spun yarn etc complete all as specified and as directed by Engr-in-Charge.

M&L Run lead joint for CI / DI pipe 100 mm bore including spun yarn etc complete all as specified and as directed by Engr-in-Charge.

M&L Cutting drilling and tapinge existing CI/DI water mains in position, for addn/altrn or for taking branch connection/insertion of pipe specials, valve of 150 mm bore pipe complete all as directed by Engineer- in- charge.

S&F CI bends, (any type radius & angle) tapers any type (strain out bend) increasing decreasing or double socket etc Tee pieces (single branch) short piece spigot reducing socket etc. after taking out old UNSV one complete all as specified and as directed.

S&F Cast Iron Sluice valve of 150 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Supply and fix Cast Iron Sluice valve of 100 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Supply and fix Cast Iron Sluice valve of 80 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

Repair to u/s sluice valve 150mm bore by taking out cleaning & derusting with acid washing all the parts after removing from site & replacement of brass spindle, GM lock nuts, gaskets, nuts both & washer etc to make fully serviceable and re-fixing the same in original position including connection complete all as specified and directed. Note : Brass spindle will be measured & paid separately.

Repair to u/s sluice valve 100mm bore by taking out cleaning & derusting with acid washing all the parts after removing from site & replacement of brass spindle, GM lock nuts, gaskets, nuts both & washer etc to make fully serviceable and re-fixing the same in original position including connection complete all as specified and directed. Note : Brass spindle will be measured & paid separately.

Supply only brass spindle suitable for 150mm bore sluice valve complete all as specified and directed.

Supply only brass spindle suitable for 100mm bore sluice valve complete all as specified and directed.

S&F Gun metal vertical check valve 100 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F Gun metal vertical check valve 80 mm dia heavy duty (ISI marked) flanged end including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed.

S&F 100mm bore Cast Iron butterfly valve, BS-5155 double flanged lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed .

S&F 80mm bore Cast Iron butterfly valve, BS-5155 double flanged lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed .

S&F 50mm bore Cast Iron butterfly valve, BS-5155 double flanged lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed .

S&F 80 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 50 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 40 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 25 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 20 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F Water pressure gauge 100mm dia in the main line of pump including necessary dirlling welding, taping/Threading of existing line etc with taking out unserviceable one complte all as specified directed by Engr-in-Charge.

Leakage detection in GI water mains upto 150mm bore and necessary repairs including cutting, threading for addition/alteration and insertion necessary of fittings like tee,elbow, branches pieces etc complete all as directed by the Engr-in-Charge.

M&L for Construction of brick masonary valve pit chamber of size 1050x1050x1050mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed and directed.

M&L Construction of brick masonary valve pit chamber of sizse 900 x 900 x 900 mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed & directed.

M&L Construction of brick masonary valve pit chamber of sizse 600 x 600 x 600 mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed & directed.

Development of Tube well with suitable capacity compressed air for a period not less than 24 Hrs but till the sand free water is obtained (sand content of water shall not be more than 10ppm) complete all as specified and as directed by Engineer-in-Charge.

Lifting and lowering of submersible pump and motor of 15HP/20HP from under ground sump with the help of chain pully including scaffolding and all other necessary arrangement complete all as specified and directed by Engr-in-Charge. Note:- (i) One lifting and one lowering should be measued as one unit.

Lifting and lowering of submersible pump and motor of 15HP/20HP/22.5 HP from bore well with the help of chain pully including scaffolding and all other necessary arrangement complete all as specified and directed by Engr-in-Charge. Note:- (i) One lifting and one lowering should be measued as one unit.

Repairing the submersible pump 15/20/22.5 HP by cleaning, derusting, and replacment of minor spare parts i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer etc. reassembling the pump after routine maintenance of serviceable spares and replacment of spare parts, testing and commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Supply only Suction Bush

Supply only Stage Casing Bush

Supply only Stainless Steel Shaft

Supply only Stainless Steel Sleeves

Supply only GM Impeller

Supply only Stage casing Ring

Supply only NRV

Supply only Short piece with flange

Supply only Stainless Steel Nut and Bolt with washer

Supply only MS Nut and bolt with washer

Supply only Rubber Gasket

Disconnecting the 2/3 HP pump set for servicing , rewinding incl overhauling by replacement of bush bearing of motor/pump and refixing the same testing & commissioning complete all as directed by Engr-in-Charge.

M&L Rewinding of submersible electric motor AC 3phase 415 volts 50- HZ of capacity 15HP/20 HP/22.5HP with water proof PVC insulated copper wire of same specification after removing the old burnt out winding and replacment of bush bearing etc including testing & commissioning complete all as specified and directed by Engr-in-Charge.

M&L Cutting of PCC and cutting out the channel base replacing the same with new channel base complete with PCC foundation with PCC 1:4:8 D2 type, using 40mm graded crushed stone aggregate and fixed the pump and motor with grouting bolt of 9'' long -4Nos complete all as directed by Engr-in-Charge.

M&L Rewinding of mono block submersible pump and motor of 15/20 HP after taking out the burnt out winding with new PVC water proof copper cable, overhauling and repacement of bush bearing etc complete all as specified and directed by Engr-in-Charge.

Dismantling and cleaning thoroughly 5/10 HP monoblock submersible sewage pumps set complete and taking out unserviceable worn out spares and overhauling the serviceable spares by derusting etc. and repalcement of minor spares like collaring Impellar key, oil tube, gaskets, nuts, & bolts with washer and cleaning throughly and re-assembling the pump and testing commissioning complete all as directed by Engr-in-Charge. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately as 'Supply only' items below.

Angular contact bearing

Lock nut Stainless Steel

Impeller CI

Line shaft Stainless Steel

GI column pipe 5' long both end flange.

MS Supporting clamp

Repairs Panel board for pump of any size/ any type by disconnecting and taking out old unserviceable wires and spare parts and rewiring the same with same size of copper wire, replacment of nut & bolts with washers,cleaning with blower, painting with one coat of synthetic enamel painting of existing colour including necessary preparation of surfaces including testing and commisioning complete all as specified and directed by Engr-in-Charge. Note:- Any other Electrical fittings connecting to panel board should be measured and paid separately.

S&F Fully automatic star delta starter with steel enclosure AC 3 phase, 415 volt 50 Hz, type ML-1.5 relay range 14-23 Amps suitable for 10 HP15HP pump motor set fixing on existing LT panel board complete all as specified and as directed.

S&F Contactor ML-2, 32A capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board complete all as specified and as directed.

S&F Contactor ML 1.5, 24A, capacity, 2NO + 2NC, 415 V ratings fixing on existing LT panel board complete all as specified and as directed.

S&F Electronic timer ET-100, 415 V, 50 Hz fixing on existing LT panel board complete all as specified and as directed.

S&F CT Coil fixing on existing LT panel board,capacity 100 amps complete all as specified and as directed.

S&F Relay, thermal overload type for ML-2 contactor, 13-21 A fixing on existing LT panel board complete all as specified and as directed.

S&F Relay, thermal overload type for ML-1.5 contactor, 1.5-2.5 A fixing on existing LT panel board complete all as specified and as directed.

S&F Single Phase Preventer used for oil emerged semi-automatic star delta starter with ( 9 wire ) ON Delay Timer (2-3 min.) and Auto/Manual Switch complete all as specified and directed.

S&F PVC insulated water proof 3 core cable suitable for submersible pump set 1100 volts grade with stranded copper conductor cable of size 4 Sqmm including taking out the old unserviceable one complete all as specified and directed.

Dismantling the channel base and taking out the pump & motor of capacity 7.5/10 HP AC 3 phase 415 volt disconnecting the pump motor, opening the pump, cleaning derusting thoroughly, machining inside body of the pump & repairing by replacement collar rings, gaskets, Impeller locknuts, shaft key etc re-assembling the pump including installtion & testing commissioning complete all as specified and directed. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately under 'Supply only' items below.

Stainless Steel Shaft

Brass Impeller

Gun metal Bush

Pump Bearing

Motor Bearing

Stage casing ring

Gland packing

stainless Steel Shaft sleeve

Casing wear ring

Coupling pully of Pump motor

M&L Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity 7.5/10 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as specified and directed by Engr-in-Charge.

Dismantling of high pressure single head adjustable gear motor of chemical dosing pump and separating the unserviceable parts cleaning the serviceable parts, re-assembling including replacement of old unserviceable parts complete all as specified and directed by Engr-in-Charge. Note:- Spare parts will be measured and paid separately as supply only.Make:-DECLIBAC.

Supply only Pump tube complete all as specified and directed by Engr-in-charge.

Supply only foot valve (clay weight -3/8" connction) complete all as specified and directed by Engr-in-charge.

Supply only Injection check valve 3/8". complete all as specified and directed by Engr-in-charge.

Supply only White discharge tube 3/8". complete all as specified and directed by Engr-in-charge.

Supply only Connecting nut 3/8" with adapter. complete all as specified and directed by Engr-in-charge.

Supply only dia phram valve for DDP complete all as specified and directed by Engr-in-charge.

Supply only discharge valve for decrine dosing pump complete all as specified and directed by Engr-in-charge.

De-watering and cleaning of underground sumps or service tank upto 100000 Gln capacity cleaning the sump with wire brush,cloth ,bleaching powder,removing alll dirt scale from tank and from mouths of circulating pipes etc through drain pipe or by manually including writing with white paint in tank wall as "TANK CLEANED ON" with date ,month and year with a minimum 10 CM height capital lettrs/numbers and conducting all connections (if any) after cleaning and testing at different multi-storeyed buildings complete all as specified and directed by Engineer-In-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system. (b) Cleaning all the algae formation insied the tank by using TERBAC G5 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c) Fresh water cleaning by high speed jet pump (d) first bacteria screening is desertification by using TERBAC G5 a govt laboratory certified branded halogen compound. (e) Cleaning of the floor of the water tank by industrial vacuum cleaner. (f) The second bacteria screening and sterlizing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Cleaning the third bacteria screening and sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65.

De-watering and cleaning of underground sumps or service tank upto 25000 Gln capacity cleaning the sump with wire brush,cloth ,bleaching powder,removing alll dirt scale from tank and from mouths of circulating pipes etc through drain pipe or by manually including writing with white paint in tank wall as "TANK CLEANED ON" with date ,month and year with a minimum 10 CM height capital lettrs/numbers and conducting all connections (if any) after cleaning and testing at different multi-storeyed buildings complete all as specified and directed by Engineer-In-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system. (b) Cleaning all the algae formation insied the tank by using TERBAC G5 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c) Fresh water cleaning by high speed jet pump (d) first bacteria screening is desertification by using TERBAC G5 a govt laboratory certified branded halogen compound. (e) Cleaning of the floor of the water tank by industrial vacuum cleaner. (f) The second bacteria screening and sterlizing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Cleaning the third bacteria screening and sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65.

De-watering of existing overhead water tank size 50000 Gln capacity at upto 20 feet staging cleaning the overhead tank with wire brush,cloth ,bleaching powder,removing al dirt scale from tank and from mouths of circulating pipes etc through drain pipe or by manually including writing with white paint in tank wall as "TANK CLEANED ON" with date ,month and year with a minimum 10 CM height capital lettrs/numbers and conducting all connections (if any) after cleaning and testing at different multi-storeyed buildings complete all as specified and directed by Engineer-In-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system. (b) Cleaning all the algae formation insied the tank by using TERBAC G5 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c) Fresh water cleaning by high speed jet pump (d) first bacteria screening is desertification by using TERBAC G5 a govt laboratory certified branded halogen compound. (e) Cleaning of the floor of the water tank by industrial vacuum cleaner. (f) The second bacteria screening and sterlizing method by using ultra violet ray with in the tank and kills all suspended bacteria. (g) Cleaning the third bacteria screening and sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65.

Collecting of Water sample from different location every qtr under Ordinance Depote as special sterilized container and submitting to Govt. approved test laboratory for chemical analysis complete. Submit to Govt approved Test Lab for Testing of following parameter:- (a) arsenic & Iron (b) Flouride (C) Turbidity (d) Chloride (e) Total Hardness (f) Nitrate (g) Total Coliform

Opening of the first top cover from the sump and pumping out all dirt water from sewage sump,Blocking the sewage line to sump providing jute bags at first manhole and cleaning the sump thoroughly with the help of wire brush after removing the sludge/silt and other foreign materials complete removing the blockage from sump complete of any capacity including removing the sludge from the pump house premises and depositing away from cantonment area

Servicing/Repair250 cubic meter per hour Blower

Repair blower motor of 7.5 HP Capacity

Repair & replacement of chemical doser system 6 ltrs/2.5 kg with 100 ltr puc tank complete aii as specified and directed

Replacement of filter feed pump (2/3) hp pvc pipe line and valves complete all as specified and as directed

supply and fix tube pack media complete all as specified and directed

Supply and Fix plastic media complete all as specified and directed

Supply and fix 100 mm PVC Diffuser fine bubble 1050 mm long

Supply and fix 100 mm PVC Diffuser fine bubble 620 mm long

Supply and fix of 36x72 frp pressure filter for 10 cubic meter flow(0.51m3-sand & gravel,0.2m3 anthresite

Supply and fix of Poly propylene strainer of 2150 mm for FRP vessel

Supply and fix Pressure Gauge for air blower( range 0-1kg)

Supply and fix Pressure Gauge for air water ( range 0-7kg)

Supply and fix Cloriflocculator/tube settler repairing/r/Re-conditioning

M&L Plain cement concrete 1:2:4 type B2 (using 40mm graded crushed stone aggregate as ) foundation filling mass concrete etc complete all as specified and directed.

Repair of pump panel board of STP by disconnecting and taking out old unserviceable wires and rewiring the same with same size of copper wire replacment of nut & bolts with washers,cleaning with blower, painting with existing colour, testing and commisioning complete all as specified & directed by Engr-in-Charge. Note: Any other Electrical fittings connecting to panel board should be measured and paid separately.

S&F Indicator lamp, LED type of colour red, blue and yellow including taking down of old UNSV complete all as specified and as directed.

M&L for Earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to galvanized iron strep 32x6 mm as earthing lead by mean of nut/bolt and washer of galvanized iron or steel drawn through 40 mm dia light grade GI pipe as shown in electrical plate no 3 of SSR part I of 2009 including necessary excavation and earth work GI pipe 20mm dia light grade for watering PCC chamber with PCC cover in cement concrete 1:2:4 Type B1(20mm graded aggregate), funnel, wire mesh, charcoal dust, salt etc., connected to panel board as indicated including testing complete all as specified and as directed.

Desilting/ Taking out accumulated sludge, Silt, Sand and Mud (cleaning with suitable chemical) etc. from sewage service/collection tank18 Metre long ,12.50 mtr width and 3.20 Metre deep installed near STP at Raspunja military camp complete all as specified and as directed.

Cleaning the Clarifier Chamber (Primary & secondary) by removing deposited mud silt along with cleaning washing etc. at the bottom of clarifier & depositing the same to a distance not less than 150 mtr away from the installation complete all as specified and as directed.

All as per item No 138.00 here-in- before but under ground sump of capacity 5000 litre capacity

All as per item No 138.00 here-in- before but overhead tank 10000 Litres capacity

S&F UPVC pipes of pressure rating 10 KGA per CM2 of dia 50 mm with all tube fittings (such as bend, elbows, tees, short pieces of medium grade, connectors, back nuts, caps , plugs and unions etc) laying in trenches/floor/ducts and also cutting pipes, screwing and for making bends on piping as required after taking down old pipe and complete all as specified and directed by Engr-in-charge.

Supply and laying UPVC pipes of pressure rating 10 KGA per CM2 of dia 80 mm with all tube fittings (such as bend, elbows, tees, short pieces of medium grade, connectors, back nuts, caps , plugs and unions etc) laying in trenches/floor/ducts and also cutting pipes, screwing and for making bends on piping as required after taking down old pipe and complete all as specified and directed by Engr-in-charge.

R T BUILDERS

SANTOSH INTERNATIONAL

ESS PEE UDYOG

Vision Earthcare Pvt Ltd

KALYPSO SALES & SERVICES